CN109623478A - A kind of gravity of ram balancing device on lathe - Google Patents
A kind of gravity of ram balancing device on lathe Download PDFInfo
- Publication number
- CN109623478A CN109623478A CN201910057781.0A CN201910057781A CN109623478A CN 109623478 A CN109623478 A CN 109623478A CN 201910057781 A CN201910057781 A CN 201910057781A CN 109623478 A CN109623478 A CN 109623478A
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- China
- Prior art keywords
- ram
- hinge
- nitrogen gas
- gas spring
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005484 gravity Effects 0.000 title claims abstract description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 46
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 230000001154 acute effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000005555 metalworking Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/001—Arrangements compensating weight or flexion on parts of the machine
- B23Q11/0017—Arrangements compensating weight or flexion on parts of the machine compensating the weight of vertically moving elements, e.g. by balancing liftable machine parts
- B23Q11/0025—Arrangements compensating weight or flexion on parts of the machine compensating the weight of vertically moving elements, e.g. by balancing liftable machine parts using resilient means, e.g. springs, hydraulic dampers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
Gravity of ram balancing device on a kind of lathe, it is characterised in that: the corner of a pair of links has hinge to connect respectively with mobile bracket, doorframe connecting rod, upper connector, and upper and lower connector is fixed with nitrogen gas spring upper and lower part again；A pair of of rod end of doorframe connecting rod has hinge to be all connected to form link mechanism by hinge with fixed bracket, the lateral aperture of the path on top and connecting rod, large diameter hole and lower connector respectively, the fixed long inclined edge surfaces of bracket in conjunction with the fixed part of lathe, fix by the ram of mobile bracket lower part and lathe；The accumulation of energy is carried out using nitrogen gas spring and link mechanism and then the balance of gravity is carried out to ram part.More stable, the longer life expectancy of nitrogen gas spring work.Nitrogen gas spring acts on hinge, the upper and lower strut that the doorframe connecting rod crossbeam, mobile bracket, nitrogen gas spring of link mechanism are arranged, so that link mechanism generates the power opened, this masterpiece opened reaches the gravity of balance ram in the ram part for needing to balance with the fixed part and lathe of lathe.
Description
Technical field
The invention belongs to metal-working plant technical fields, are related to the device that a kind of pair of ram part carries out gravitational equilibrium,
It is mainly used in lathe vertical transfer portion, the i.e. mechanism of ram part realization gravitational equilibrium.
Technical background
The balance mode of usual machine ram can use the balance mode of weight balance, hydro-cushion, nitrogen balance device.
However, these balance modes have certain limitation, weight balance will lead to main screw lift increase or hydro-cushion due to
It needs hydraulic system and control system and causes system complex or nitrogen balance device balance cost excessively high.Nitrogen described in this patent
Gas spring is a kind of widely applied component of present industrial circle, its effect is similar with conventional helical spring, but the shape that works
State is more stable, longer life expectancy.But there is presently no the balances of the special nitrogen spring linking rod for lathe upper ram
Design.
Summary of the invention
The object of the present invention is to provide the gravity of ram balancing device on a kind of lathe, low cost, the service life is long, work shape
State is more stable, solves.
A kind of gravity of ram balancing device on lathe, including connecting rod, nitrogen gas spring, hinge and its with ram constant zero
Part etc., it is characterised in that: the corner of a pair of links has hinge to be connected respectively with mobile bracket, doorframe connecting rod, upper connector,
Upper connector is fixed with nitrogen gas spring top again, lower connector and nitrogen gas spring lower part are fixed；A pair of of rod end of doorframe connecting rod has
Hinge is all connected structure by hinge with fixed bracket, lateral aperture and the connecting rod of the path on top, large diameter hole and lower connector respectively
At link mechanism, the fixed long inclined edge surfaces of bracket in conjunction with the fixed part of lathe, fix by the ram of mobile bracket lower part and lathe；
And nitrogen gas spring needs to be filled high pressure nitrogen according to specific design balancing gravity before the mounting, when mechanism is run
When power generated by the compression of nitrogen, gravity of ram is balanced by said mechanism.
The product that the present invention designs is for lathe, this mechanism carries out the storage of energy using nitrogen gas spring and link mechanism
Product and then the balance that gravity is carried out to ram part.The connecting rod is mainly made of upper and lower two parts, and nitrogen gas spring acts on
The crossbeam of doorframe connecting rod, using link mechanism, mobile bracket, hinge, the upper and lower strut of nitrogen gas spring setting, so that link mechanism
The power opened is generated, this masterpiece opened reaches balance in the ram part for needing to balance with the fixed part and lathe of lathe
The gravity of ram.The nitrogen gas spring is a kind of widely applied component of present industrial circle, its effect and conventional helical
Spring is similar, only works more stable, longer life expectancy.The accumulation of the design energy is not limited to nitrogen gas spring, similar energy storage
Device (such as helical spring) is also included.It is not that very long nitrogen gas spring makes cost relatively low present invention employs stroke
Honest and clean, in addition whole system does not have to hydraulic, realizes substantially non-maintaining, and single unit system weight is also not very big.In addition the present apparatus is real
Showing the gravity balance of machine ram, the fluctuation of equilibrant force is relatively small, and the velocity and acceleration of nitrogen gas spring reduces at double, these
All it is advantageously implemented further increasing for machine ram movement speed and acceleration.
Detailed description of the invention
Fig. 1 is the nitrogen gas spring of gravity of ram balancing device of the present invention and the structural schematic diagram that ram is fixed；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the layout state figure that gravity balance device is installed on machine ram；
Fig. 4 is the structure chart and nitrogen gas spring cross-sectional view that Fig. 1 only retains upper connector, nitrogen gas spring and lower connector；
Fig. 5 is the schematic shapes of doorframe connecting rod；
Fig. 6 is the combination schematic diagram of upper connector, lower connector and nitrogen gas spring.
Specific embodiment
A kind of gravity of ram balancing device on lathe, as shown in Figs. 1-5, including connecting rod, nitrogen gas spring, hinge and its
With ram retaining element etc., it is characterised in that: the corner of a pair of links 3 have hinge 6 respectively with mobile bracket 5, doorframe connecting rod
2, upper connector 7 is connected, and upper connector 7 is fixed with 4 top of nitrogen gas spring again, lower connector 8 and 4 lower part of nitrogen gas spring are solid
It is fixed；A pair of of rod end of doorframe connecting rod 2 has lateral aperture and connecting rod 3, large diameter hole of the hinge 6 respectively with fixed bracket 1, the path on top
Link mechanism is all connected to form by hinge 6 with lower connector 8, fixes the long inclined edge surfaces of bracket 1 in conjunction with the fixed part of lathe,
Mobile 5 lower part of bracket is connected with the ram 9 of lathe.And nitrogen gas spring 4 is needed before the mounting according to specific design balance
Gravity is filled high pressure nitrogen, generates power by the compression of nitrogen when mechanism operation, is balanced by said mechanism
Gravity of ram.
In Fig. 1 the small acute angle part of a pair of links 3 be connected with mobile 5 acute angle of bracket, the big acute angle and doorframe connecting rod of connecting rod 3
Diameter holes are connected on 2, the obtuse angle of connecting rod 3 is connected with upper connector 7, and hinge 6 is used in the connection of connecting rod 3；See Fig. 4, upper connection
Part 7 is fixed with 4 top of nitrogen gas spring again；The corner of doorframe connecting rod 2 have hinge 6 respectively with fixed bracket 1, connecting rod 3, lower company
Fitting 8 is connected, and lower connector 8 is fixed with 4 lower part of nitrogen gas spring again；The fixed part knot of fixed 1 inclined edge surfaces of bracket and lathe
It closes, mobile 5 lower part of bracket is fixedly connected with the ram 9 of lathe.
Connecting rod 3 in Fig. 1 are made using steel plate welding procedure, have a generally triangular shape, straight flange longest, direct-connected oblique with length
Side intersection end be small acute angle, it is direct-connected intersect with short bevel edge end be big acute angle, two bevel edges intersect be obtuse angle, the hole each angle Chu You is all set
The structure of installation hinge 6 is set.For fixed bracket 1 like triangle, there is hole at short bevel edge angle in conjunction with straight flange, installs hinge 6, long bevel edge
There is male and female member in face, and the back of fixed bracket 1 and the fixed part of lathe are connected to a fixed.
The shape of mobile bracket 5 in Fig. 1: the long side of two modification of right-angled triangle plate and the symmetrical long side of rectangular slab are rectangular
After opposite connection, the bottom edge of this triangle part plate and the broadside of rectangular slab are fallen on rectangular slab adjacent edge, and blending bolt is fastened on
Ram 9 is connect at triangular plate acute angle with the acute angle of connecting rod 3 by hinge 6.
For doorframe connecting rod 2 as shown in figure 5, also with the production of steel plate welding procedure, shape is two parallel bar upper ends
A shape frame is connected to by horizontal beam, vertical rack is arranged at horizontal beam top, is used to support the trunnion axis of upper and lower each two paths, major diameter
Xiang Kong, there are also upswept deckle boards, i.e. reinforcement parallel bar root binding site intensity for horizontal beam periphery, and give 4 structure of nitrogen gas spring
Enhancing supports, and the structure of hinge 6 is installed in parallel bar lower end and lateral aperture.
As shown in fig. 6, upper connector 7 is using the horizontal strip body of casting technique production, there is a vertical large diameter hole at middle part, two
End is horizontally disposed with respectively symmetrical circular shaft, and for installing the structure of hinge 6,4 top of nitrogen gas spring is connected across large diameter hole.
Lower connector 8 is using the cylindrical body of metal working process production, and there is radial circular hole at middle part, connects nitrogen gas spring 4
Lower part — that is, piston rod lower part, cylindrical body axial ends is respectively arranged with the structure of symmetrical circular shaft installation hinge 6.
The working principle of the invention:
Nitrogen gas spring 4 filled with high pressure nitrogen has very big elongation trend, and nitrogen gas spring 4 passes through the upper connection being attached thereto
Part 7 and connector 8, then lower door frame connecting rod 2 and upper connecting rod 3 are made in by hinge 6；Since nitrogen gas spring has the tendency that elongation, make
Obtaining lower door frame connecting rod 2 and upper connecting rod 3 also has the tendency that opening, and lower door frame connecting rod 2 acts on fixed bracket 1, and upper connecting rod 3 acts on
In mobile bracket 5, mobile bracket 5 is connected with the ram 9 of lathe.The connecting rod is mainly made of upper and lower two parts, nitrogen bullet
Spring acts on the crossbeam of doorframe connecting rod, using link mechanism, mobile bracket, and hinge, the upper and lower strut of nitrogen gas spring setting, so that
Link mechanism generates the power opened, this masterpiece opened in the ram part for needing to balance with the fixed part and lathe of lathe,
Reach the gravity of balance ram.
It can guarantee that nitrogen gas spring 4 is vertical always in the case where nitrogen gas spring 4 extends and shortens, nitrogen gas spring 4 passes through
The upper connector 7 and lower connector 8 mentioned before, then pass through hinge 6 at two and be connected with lower door frame connecting rod 2 and upper connecting rod 3, Xiamen
Frame connecting rod 2 is connected with upper connecting rod 3 also used another place's hinge 6, guarantee can with free-open-close, under the action of nitrogen gas spring 4,
Lower door frame connecting rod 2 and upper connecting rod 3 have the power of opening, and the power of opening passes through hinge 6 at two respectively and acts on fixed bracket 1 and movement
Bracket 5, and then the elastic force that nitrogen gas spring 4 is generated, make in machine ram 9, thus achieve the purpose that balance 9 gravity of ram.
Claims (7)
1. the gravity of ram balancing device on a kind of lathe, including connecting rod, nitrogen gas spring, hinge and its with ram constant zero
Part, it is characterised in that: the corner of a pair of links (3) have hinge (6) respectively with mobile bracket (5), doorframe connecting rod (2), upper company
Fitting (7) is connected, and upper connector (7) fixes with nitrogen gas spring (4) top again, lower connector (8) and nitrogen gas spring (4) lower part
It is fixed；A pair of of rod end of doorframe connecting rod (2) has path lateral aperture and connecting rod of the hinge (6) respectively with fixed bracket (1), top
(3), large diameter hole is all connected by hinge (6) with lower connector (8), constitutes link mechanism, fixed bracket (1) long inclined edge surfaces and machine
The fixed part of bed combines, and mobile bracket (5) lower part is fixedly connected with ram (9) top of lathe；And nitrogen gas spring (4) exists
It needs to be filled high pressure nitrogen according to specific design balancing gravity before installation, passes through the pressure of nitrogen when mechanism operation
It contracts to generate power, nitrogen gas spring (4) acts on link mechanism, hinge (6) by upper connector (7) and lower connector (8) and consolidates
Fixed rack (1), mobile bracket (5), make link mechanism opening and closing, to balance the gravity of ram (9).
2. the gravity of ram balancing device on a kind of lathe according to claim 1, it is characterised in that the shape of connecting rod (3)
Shape: a pair of of the triangular plate made of steel plate welding procedure, straight flange longest, direct-connected end of intersecting with long bevel edge is small acute angle, straight flange
Intersect with short bevel edge end be big acute angle, two bevel edges intersection be obtuse angle, the hole each angle Chu Junyou, all be provided with hinge (6) structure.
3. the gravity of ram balancing device on a kind of lathe according to claim 1, it is characterised in that fixed bracket (1)
Like triangle, there is hole at short bevel edge angle in conjunction with straight flange, installs hinge (6), and there is male and female member at long bevel edge back, fixed bracket (1)
The fixed part of back and lathe is connected to a fixed.
4. the gravity of ram balancing device on a kind of lathe according to claim 1, it is characterised in that mobile bracket (5)
Shape: the long sides of two modification of right-angled triangle plate and the symmetrical long side of rectangular slab are at right angles after opposite connection, this triangle part plate
Bottom edge and the broadside of rectangular slab fall on rectangular slab adjacent edge, blending bolt is fastened on ram (9) top, and triangular plate is sharp
Hinge (6) are disposed to connect with the acute angle of connecting rod (3) at angle.
5. the gravity of ram balancing device on a kind of lathe according to claim 1, it is characterised in that doorframe connecting rod (2)
It is made of steel plate welding procedure, shape is that two parallel bar upper ends by horizontal beam are connected to a shape frame, and horizontal beam top has vertical
Straight frame is used to support the horizontal axis hole of upper and lower each two paths, major diameter, and there are also upswept deckle boards for horizontal beam periphery, i.e., plus
Strong parallel bar root binding site intensity, and the enhancing support of nitrogen gas spring (4) structure is given, hinge is installed in parallel bar lower end and lateral aperture
The structure of chain (6).
6. the gravity of ram balancing device on a kind of lathe according to claim 1, it is characterised in that upper connector (7)
It is the horizontal strip body made of casting technique, there is vertical large diameter hole at middle part, and both ends are horizontally disposed with respectively symmetrical circular shaft, uses
In the structure of installation hinge (6), nitrogen gas spring (4) top passes through large diameter hole.
7. the gravity of ram balancing device on a kind of lathe according to claim 1, it is characterised in that lower connector (8)
It is using the cylindrical body of metal working process production, there is radial circular hole at middle part, connects the lower part of nitrogen gas spring (4), i.e. piston rod
Lower part, cylindrical body axial ends is respectively arranged with the structure of symmetrical circular shaft installation hinge (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018116222880 | 2018-12-28 | ||
| CN201811622288 | 2018-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109623478A true CN109623478A (en) | 2019-04-16 |
| CN109623478B CN109623478B (en) | 2024-07-16 |
Family
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3145575A (en) * | 1960-09-05 | 1964-08-25 | Dixi Sa | Main drives for the translatorily displaceable work spindle of machinetools |
| WO2008105080A1 (en) * | 2007-02-28 | 2008-09-04 | Pascal Engineering Corporation | Pull-type gas balancer |
| WO2011065126A1 (en) * | 2009-11-26 | 2011-06-03 | パスカルエンジニアリング株式会社 | Balancer device for machine tools |
| WO2013018482A1 (en) * | 2011-08-03 | 2013-02-07 | パスカルエンジニアリング株式会社 | Gas spring |
| CN209466017U (en) * | 2018-12-28 | 2019-10-08 | 沈阳中捷航空航天机床有限公司 | A kind of gravity of ram balancing device on lathe |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3145575A (en) * | 1960-09-05 | 1964-08-25 | Dixi Sa | Main drives for the translatorily displaceable work spindle of machinetools |
| WO2008105080A1 (en) * | 2007-02-28 | 2008-09-04 | Pascal Engineering Corporation | Pull-type gas balancer |
| WO2011065126A1 (en) * | 2009-11-26 | 2011-06-03 | パスカルエンジニアリング株式会社 | Balancer device for machine tools |
| WO2013018482A1 (en) * | 2011-08-03 | 2013-02-07 | パスカルエンジニアリング株式会社 | Gas spring |
| CN209466017U (en) * | 2018-12-28 | 2019-10-08 | 沈阳中捷航空航天机床有限公司 | A kind of gravity of ram balancing device on lathe |
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